|
|||||
|
|
| 阅读理解二则(英文) | |
| 作者姓名： | 陈娟 姜红伟 |
| 摘 要： | Halley's Comet In 1986,a large piece of ice flying in space came toward our sun.It was Halley's Comet.It comes out about every 76 years.In the past, |
| 本文献已被 CNKI 等数据库收录！ | |
|
||||||||||||
|
||||||||||||
|
||||||||||||
|
|
|
|
| 设为首页 | 免责声明 | 关于勤云 | 加入收藏 |
|
Copyright©北京勤云科技发展有限公司 京ICP备09084417号 |